190 Fuel supply and filling your fuel tank
- Blend must contain not more than 1S%
MTBE.
Seasonally adjusted gasoline
Many gaso line grades are blended to perform
espec ially we ll for winte r or summe r driving .
During seasonal change-ove r, we suggest that
you fill up at busy gas stat ions where the sea-
sona l adjus tment is more likely to be made in
time .
(CT) Note
- Methanol fuels which do not mee t these
requirements may cause corrosion and
damage to plastic and rubber compo -
nents in the fuel system .
- Do not use fue ls that fai l to meet the
spec ified criteria in this chapter.
- If you are unable to determ ine whether
or not a particular fue l blend meets t he
specifications, ask your service station or
its fuel supplier.
- Do not use fue l for which the contents
cannot be identified.
- Fuel system damage and performance
problems resulting from t he use of fuels
different from those specified are not
the respons ibility of Audi and are not
covered under the New Vehicle or the
Emission Control System Warranties.
- If you experience a loss of fue l economy
or driveability and performance prob-
lems due to the use of one of these fuel
blends, we recomme nd that you switch
to unblended fuel.
Gasoline additives
A majo r concern among ma ny auto manufac -
turers is carbon deposit build -up caused by
the type of gasoline you use .
Although gasoline grades differ from one
manuf acturer to anothe r, they have certa in
things in common. All gaso line grades contain
substances that can cause deposits to collect
on vital engine parts, such as fuel injectors
and intake valves. Although most gasoline
brands include additives to keep engine and
fuel systems clean, they are not equally effec-
tive .
Audi recommends using TOP TIER Detergent
Gasoline. For mo re info rmat ion on TOP TIER
Detergent Gasoline, please go to the official
website (www.toptiergas.com).
After an extended period of using inadeq uate
fuels, bui lt-up carbon deposi ts can rob your
engine of peak performance.
(D Note
Damage or ma lfunction due t o poor fuel
quality is not covered by the Audi New Ve-
hicle Limited Warran ty.
Diesel fuel
Applies to vehicles: with diesel engine
Always use ULSD (Ultra Low Sulfur Diesel) sul-
fur content 15 ppm or less.
The ULSD (Ultra Low Sulfur Diese l) meets the
ASTM-D-97S (grade 2).
Diesel fuel with a higher concentration than
ULSD-Diesel No. 2 ASTM 0975 and Bio-die-
sel with a higher concentration than S
% like
B11, B20 or B100 are strictl y prohibited.
Service stat ion fue l pumps are labe led with
the cor rect fuel information fo r easy recogn i-
t ion by the use r. If the diesel fue l pump is not
labeled ask the station operator what fue l is
being dispensed before filling up you r vehicle .
Service stat ions offering diesel fue l are gene r-
ally located on t ruck routes or major high-
ways . Directories of diesel fuel stations are
usually availab le at diese l fue l stat ions .
Some sta tes in the USA req uire permi ts to
purchase diese l fue l. Check with your Sta te
Motor Vehicle Department.
Diesel fue l may not be ava ilable outside t he
USA and Canada. Be sure to che ck befo re trav -
eling to othe r countries . .,..
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